chfs_malloc.c revision 1.2.2.3
1 1.2.2.3 yamt /* $NetBSD: chfs_malloc.c,v 1.2.2.3 2012/10/30 17:22:58 yamt Exp $ */ 2 1.2.2.2 yamt 3 1.2.2.2 yamt /*- 4 1.2.2.2 yamt * Copyright (c) 2010 Department of Software Engineering, 5 1.2.2.2 yamt * University of Szeged, Hungary 6 1.2.2.2 yamt * Copyright (C) 2010 Tamas Toth <ttoth (at) inf.u-szeged.hu> 7 1.2.2.2 yamt * Copyright (C) 2010 Adam Hoka <ahoka (at) NetBSD.org> 8 1.2.2.2 yamt * All rights reserved. 9 1.2.2.2 yamt * 10 1.2.2.2 yamt * This code is derived from software contributed to The NetBSD Foundation 11 1.2.2.2 yamt * by the Department of Software Engineering, University of Szeged, Hungary 12 1.2.2.2 yamt * 13 1.2.2.2 yamt * Redistribution and use in source and binary forms, with or without 14 1.2.2.2 yamt * modification, are permitted provided that the following conditions 15 1.2.2.2 yamt * are met: 16 1.2.2.2 yamt * 1. Redistributions of source code must retain the above copyright 17 1.2.2.2 yamt * notice, this list of conditions and the following disclaimer. 18 1.2.2.2 yamt * 2. Redistributions in binary form must reproduce the above copyright 19 1.2.2.2 yamt * notice, this list of conditions and the following disclaimer in the 20 1.2.2.2 yamt * documentation and/or other materials provided with the distribution. 21 1.2.2.2 yamt * 22 1.2.2.2 yamt * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 1.2.2.2 yamt * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 1.2.2.2 yamt * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 1.2.2.2 yamt * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 1.2.2.2 yamt * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 27 1.2.2.2 yamt * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 28 1.2.2.2 yamt * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 29 1.2.2.2 yamt * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 30 1.2.2.2 yamt * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 1.2.2.2 yamt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 1.2.2.2 yamt * SUCH DAMAGE. 33 1.2.2.2 yamt */ 34 1.2.2.2 yamt 35 1.2.2.2 yamt #include "chfs.h" 36 1.2.2.2 yamt #include <sys/pool.h> 37 1.2.2.2 yamt 38 1.2.2.2 yamt pool_cache_t chfs_vnode_cache; 39 1.2.2.2 yamt pool_cache_t chfs_nrefs_cache; 40 1.2.2.2 yamt pool_cache_t chfs_flash_vnode_cache; 41 1.2.2.2 yamt pool_cache_t chfs_flash_dirent_cache; 42 1.2.2.2 yamt pool_cache_t chfs_flash_dnode_cache; 43 1.2.2.2 yamt pool_cache_t chfs_node_frag_cache; 44 1.2.2.2 yamt pool_cache_t chfs_tmp_dnode_cache; 45 1.2.2.2 yamt pool_cache_t chfs_tmp_dnode_info_cache; 46 1.2.2.2 yamt 47 1.2.2.3 yamt /* chfs_alloc_pool_caches - allocating pool caches */ 48 1.2.2.2 yamt int 49 1.2.2.2 yamt chfs_alloc_pool_caches(void) 50 1.2.2.2 yamt { 51 1.2.2.2 yamt chfs_vnode_cache = pool_cache_init( 52 1.2.2.2 yamt sizeof(struct chfs_vnode_cache), 53 1.2.2.2 yamt 0, 0, 0, "chfs_vnode_cache", NULL, IPL_NONE, NULL, NULL, 54 1.2.2.2 yamt NULL); 55 1.2.2.2 yamt if (!chfs_vnode_cache) 56 1.2.2.2 yamt goto err_vnode; 57 1.2.2.2 yamt 58 1.2.2.2 yamt chfs_nrefs_cache = pool_cache_init( 59 1.2.2.2 yamt (REFS_BLOCK_LEN + 1) * sizeof(struct chfs_node_ref), 0, 0, 60 1.2.2.2 yamt 0, "chfs_nrefs_pool", NULL, IPL_NONE, NULL, NULL, NULL); 61 1.2.2.2 yamt if (!chfs_nrefs_cache) 62 1.2.2.2 yamt goto err_nrefs; 63 1.2.2.2 yamt 64 1.2.2.2 yamt chfs_flash_vnode_cache = pool_cache_init( 65 1.2.2.2 yamt sizeof(struct chfs_flash_vnode), 0, 0, 0, 66 1.2.2.2 yamt "chfs_flash_vnode_pool", NULL, IPL_NONE, NULL, NULL, NULL); 67 1.2.2.2 yamt if (!chfs_flash_vnode_cache) 68 1.2.2.2 yamt goto err_flash_vnode; 69 1.2.2.2 yamt 70 1.2.2.2 yamt chfs_flash_dirent_cache = pool_cache_init( 71 1.2.2.2 yamt sizeof(struct chfs_flash_dirent_node), 0, 0, 0, 72 1.2.2.2 yamt "chfs_flash_dirent_pool", NULL, IPL_NONE, NULL, NULL, NULL); 73 1.2.2.2 yamt if (!chfs_flash_dirent_cache) 74 1.2.2.2 yamt goto err_flash_dirent; 75 1.2.2.2 yamt 76 1.2.2.2 yamt chfs_flash_dnode_cache = pool_cache_init( 77 1.2.2.2 yamt sizeof(struct chfs_flash_data_node), 0, 0, 0, 78 1.2.2.2 yamt "chfs_flash_dnode_pool", NULL, IPL_NONE, NULL, NULL, NULL); 79 1.2.2.2 yamt if (!chfs_flash_dnode_cache) 80 1.2.2.2 yamt goto err_flash_dnode; 81 1.2.2.2 yamt 82 1.2.2.2 yamt chfs_node_frag_cache = pool_cache_init( 83 1.2.2.2 yamt sizeof(struct chfs_node_frag), 0, 0, 0, 84 1.2.2.2 yamt "chfs_node_frag_pool", NULL, IPL_NONE, NULL, NULL, NULL); 85 1.2.2.2 yamt if (!chfs_node_frag_cache) 86 1.2.2.2 yamt goto err_node_frag; 87 1.2.2.2 yamt 88 1.2.2.2 yamt chfs_tmp_dnode_cache = pool_cache_init( 89 1.2.2.2 yamt sizeof(struct chfs_tmp_dnode), 0, 0, 0, 90 1.2.2.2 yamt "chfs_tmp_dnode_pool", NULL, IPL_NONE, NULL, NULL, NULL); 91 1.2.2.2 yamt if (!chfs_tmp_dnode_cache) 92 1.2.2.2 yamt goto err_tmp_dnode; 93 1.2.2.2 yamt 94 1.2.2.2 yamt chfs_tmp_dnode_info_cache = pool_cache_init( 95 1.2.2.2 yamt sizeof(struct chfs_tmp_dnode_info), 0, 0, 0, 96 1.2.2.2 yamt "chfs_tmp_dnode_info_pool", NULL, IPL_NONE, NULL, NULL, NULL); 97 1.2.2.2 yamt if (!chfs_tmp_dnode_info_cache) 98 1.2.2.2 yamt goto err_tmp_dnode_info; 99 1.2.2.2 yamt 100 1.2.2.2 yamt return 0; 101 1.2.2.2 yamt 102 1.2.2.2 yamt err_tmp_dnode_info: 103 1.2.2.2 yamt pool_cache_destroy(chfs_tmp_dnode_cache); 104 1.2.2.2 yamt err_tmp_dnode: 105 1.2.2.2 yamt pool_cache_destroy(chfs_node_frag_cache); 106 1.2.2.2 yamt err_node_frag: 107 1.2.2.2 yamt pool_cache_destroy(chfs_flash_dnode_cache); 108 1.2.2.2 yamt err_flash_dnode: 109 1.2.2.2 yamt pool_cache_destroy(chfs_flash_dirent_cache); 110 1.2.2.2 yamt err_flash_dirent: 111 1.2.2.2 yamt pool_cache_destroy(chfs_flash_vnode_cache); 112 1.2.2.2 yamt err_flash_vnode: 113 1.2.2.2 yamt pool_cache_destroy(chfs_nrefs_cache); 114 1.2.2.2 yamt err_nrefs: 115 1.2.2.2 yamt pool_cache_destroy(chfs_vnode_cache); 116 1.2.2.2 yamt err_vnode: 117 1.2.2.2 yamt 118 1.2.2.2 yamt return ENOMEM; 119 1.2.2.2 yamt } 120 1.2.2.2 yamt 121 1.2.2.3 yamt /* chfs_destroy_pool_caches - destroying pool caches */ 122 1.2.2.2 yamt void 123 1.2.2.2 yamt chfs_destroy_pool_caches(void) 124 1.2.2.2 yamt { 125 1.2.2.2 yamt if (chfs_vnode_cache) 126 1.2.2.2 yamt pool_cache_destroy(chfs_vnode_cache); 127 1.2.2.2 yamt 128 1.2.2.2 yamt if (chfs_nrefs_cache) 129 1.2.2.2 yamt pool_cache_destroy(chfs_nrefs_cache); 130 1.2.2.2 yamt 131 1.2.2.2 yamt if (chfs_flash_vnode_cache) 132 1.2.2.2 yamt pool_cache_destroy(chfs_flash_vnode_cache); 133 1.2.2.2 yamt 134 1.2.2.2 yamt if (chfs_flash_dirent_cache) 135 1.2.2.2 yamt pool_cache_destroy(chfs_flash_dirent_cache); 136 1.2.2.2 yamt 137 1.2.2.2 yamt if (chfs_flash_dnode_cache) 138 1.2.2.2 yamt pool_cache_destroy(chfs_flash_dnode_cache); 139 1.2.2.2 yamt 140 1.2.2.2 yamt if (chfs_node_frag_cache) 141 1.2.2.2 yamt pool_cache_destroy(chfs_node_frag_cache); 142 1.2.2.2 yamt 143 1.2.2.2 yamt if (chfs_tmp_dnode_cache) 144 1.2.2.2 yamt pool_cache_destroy(chfs_tmp_dnode_cache); 145 1.2.2.2 yamt 146 1.2.2.2 yamt if (chfs_tmp_dnode_info_cache) 147 1.2.2.2 yamt pool_cache_destroy(chfs_tmp_dnode_info_cache); 148 1.2.2.2 yamt } 149 1.2.2.2 yamt 150 1.2.2.3 yamt /* chfs_vnode_cache_alloc - allocating and initializing a vnode cache */ 151 1.2.2.2 yamt struct chfs_vnode_cache * 152 1.2.2.2 yamt chfs_vnode_cache_alloc(ino_t vno) 153 1.2.2.2 yamt { 154 1.2.2.2 yamt struct chfs_vnode_cache* vc; 155 1.2.2.2 yamt vc = pool_cache_get(chfs_vnode_cache, PR_WAITOK); 156 1.2.2.2 yamt 157 1.2.2.2 yamt memset(vc, 0, sizeof(*vc)); 158 1.2.2.2 yamt vc->vno = vno; 159 1.2.2.3 yamt /* vnode cache is the last element of all chain */ 160 1.2.2.2 yamt vc->v = (void *)vc; 161 1.2.2.2 yamt vc->dirents = (void *)vc; 162 1.2.2.2 yamt vc->dnode = (void *)vc; 163 1.2.2.2 yamt TAILQ_INIT(&vc->scan_dirents); 164 1.2.2.2 yamt vc->highest_version = 0; 165 1.2.2.2 yamt 166 1.2.2.2 yamt return vc; 167 1.2.2.2 yamt } 168 1.2.2.2 yamt 169 1.2.2.3 yamt /* chfs_vnode_cache_free - freeing a vnode cache */ 170 1.2.2.2 yamt void 171 1.2.2.2 yamt chfs_vnode_cache_free(struct chfs_vnode_cache *vc) 172 1.2.2.2 yamt { 173 1.2.2.2 yamt pool_cache_put(chfs_vnode_cache, vc); 174 1.2.2.2 yamt } 175 1.2.2.2 yamt 176 1.2.2.3 yamt /* 177 1.2.2.2 yamt * chfs_alloc_refblock - allocating a refblock 178 1.2.2.2 yamt * 179 1.2.2.2 yamt * Returns a pointer of the first element in the block. 180 1.2.2.2 yamt * 181 1.2.2.2 yamt * We are not allocating just one node ref, instead we allocating REFS_BLOCK_LEN 182 1.2.2.2 yamt * number of node refs, the last element will be a pointer to the next block. 183 1.2.2.2 yamt * We do this, because we need a chain of nodes which have been ordered by the 184 1.2.2.2 yamt * physical address of them. 185 1.2.2.2 yamt * 186 1.2.2.2 yamt */ 187 1.2.2.2 yamt struct chfs_node_ref* 188 1.2.2.2 yamt chfs_alloc_refblock(void) 189 1.2.2.2 yamt { 190 1.2.2.2 yamt int i; 191 1.2.2.2 yamt struct chfs_node_ref *nref; 192 1.2.2.2 yamt nref = pool_cache_get(chfs_nrefs_cache, PR_WAITOK); 193 1.2.2.2 yamt 194 1.2.2.2 yamt for (i = 0; i < REFS_BLOCK_LEN; i++) { 195 1.2.2.2 yamt nref[i].nref_lnr = REF_EMPTY_NODE; 196 1.2.2.2 yamt nref[i].nref_next = NULL; 197 1.2.2.2 yamt } 198 1.2.2.2 yamt i = REFS_BLOCK_LEN; 199 1.2.2.2 yamt nref[i].nref_lnr = REF_LINK_TO_NEXT; 200 1.2.2.2 yamt nref[i].nref_next = NULL; 201 1.2.2.2 yamt 202 1.2.2.2 yamt return nref; 203 1.2.2.2 yamt } 204 1.2.2.2 yamt 205 1.2.2.3 yamt /* chfs_free_refblock - freeing a refblock */ 206 1.2.2.2 yamt void 207 1.2.2.2 yamt chfs_free_refblock(struct chfs_node_ref *nref) 208 1.2.2.2 yamt { 209 1.2.2.2 yamt pool_cache_put(chfs_nrefs_cache, nref); 210 1.2.2.2 yamt } 211 1.2.2.2 yamt 212 1.2.2.3 yamt /* 213 1.2.2.2 yamt * chfs_alloc_node_ref - allocating a node ref from a refblock 214 1.2.2.2 yamt * 215 1.2.2.2 yamt * Allocating a node ref from a refblock, it there isn't any free element in the 216 1.2.2.2 yamt * block, a new block will be allocated and be linked to the current block. 217 1.2.2.2 yamt */ 218 1.2.2.2 yamt struct chfs_node_ref* 219 1.2.2.2 yamt chfs_alloc_node_ref(struct chfs_eraseblock *cheb) 220 1.2.2.2 yamt { 221 1.2.2.2 yamt struct chfs_node_ref *nref, *new, *old; 222 1.2.2.2 yamt old = cheb->last_node; 223 1.2.2.2 yamt nref = cheb->last_node; 224 1.2.2.2 yamt 225 1.2.2.2 yamt if (!nref) { 226 1.2.2.3 yamt /* There haven't been any nref allocated for this block yet */ 227 1.2.2.2 yamt nref = chfs_alloc_refblock(); 228 1.2.2.2 yamt 229 1.2.2.2 yamt cheb->first_node = nref; 230 1.2.2.2 yamt cheb->last_node = nref; 231 1.2.2.2 yamt nref->nref_lnr = cheb->lnr; 232 1.2.2.2 yamt KASSERT(cheb->lnr == nref->nref_lnr); 233 1.2.2.2 yamt 234 1.2.2.2 yamt return nref; 235 1.2.2.2 yamt } 236 1.2.2.2 yamt 237 1.2.2.2 yamt nref++; 238 1.2.2.2 yamt if (nref->nref_lnr == REF_LINK_TO_NEXT) { 239 1.2.2.3 yamt /* this was the last element, allocate a new block */ 240 1.2.2.2 yamt new = chfs_alloc_refblock(); 241 1.2.2.2 yamt nref->nref_next = new; 242 1.2.2.2 yamt nref = new; 243 1.2.2.2 yamt } 244 1.2.2.2 yamt 245 1.2.2.2 yamt cheb->last_node = nref; 246 1.2.2.2 yamt nref->nref_lnr = cheb->lnr; 247 1.2.2.2 yamt 248 1.2.2.2 yamt KASSERT(old->nref_lnr == nref->nref_lnr && 249 1.2.2.2 yamt nref->nref_lnr == cheb->lnr); 250 1.2.2.2 yamt 251 1.2.2.2 yamt return nref; 252 1.2.2.2 yamt } 253 1.2.2.2 yamt 254 1.2.2.3 yamt /* chfs_free_node_refs - freeing an eraseblock's node refs */ 255 1.2.2.2 yamt void 256 1.2.2.2 yamt chfs_free_node_refs(struct chfs_eraseblock *cheb) 257 1.2.2.2 yamt { 258 1.2.2.2 yamt struct chfs_node_ref *nref, *block; 259 1.2.2.2 yamt 260 1.2.2.2 yamt block = nref = cheb->first_node; 261 1.2.2.2 yamt 262 1.2.2.2 yamt while (nref) { 263 1.2.2.2 yamt if (nref->nref_lnr == REF_LINK_TO_NEXT) { 264 1.2.2.2 yamt nref = nref->nref_next; 265 1.2.2.2 yamt chfs_free_refblock(block); 266 1.2.2.2 yamt block = nref; 267 1.2.2.2 yamt continue; 268 1.2.2.2 yamt } 269 1.2.2.2 yamt nref++; 270 1.2.2.2 yamt } 271 1.2.2.2 yamt } 272 1.2.2.2 yamt 273 1.2.2.3 yamt /* chfs_alloc_dirent - allocating a directory entry */ 274 1.2.2.2 yamt struct chfs_dirent* 275 1.2.2.2 yamt chfs_alloc_dirent(int namesize) 276 1.2.2.2 yamt { 277 1.2.2.2 yamt struct chfs_dirent *ret; 278 1.2.2.2 yamt size_t size = sizeof(struct chfs_dirent) + namesize; 279 1.2.2.2 yamt 280 1.2.2.2 yamt ret = kmem_alloc(size, KM_SLEEP); 281 1.2.2.2 yamt 282 1.2.2.2 yamt return ret; 283 1.2.2.2 yamt } 284 1.2.2.2 yamt 285 1.2.2.3 yamt /* chfs_free_dirent - freeing a directory entry */ 286 1.2.2.2 yamt void 287 1.2.2.2 yamt chfs_free_dirent(struct chfs_dirent *dirent) 288 1.2.2.2 yamt { 289 1.2.2.2 yamt size_t size = sizeof(struct chfs_dirent) + dirent->nsize + 1; 290 1.2.2.2 yamt 291 1.2.2.2 yamt kmem_free(dirent, size); 292 1.2.2.2 yamt } 293 1.2.2.2 yamt 294 1.2.2.3 yamt /* chfs_alloc_full_dnode - allocating a full data node */ 295 1.2.2.2 yamt struct chfs_full_dnode* 296 1.2.2.2 yamt chfs_alloc_full_dnode(void) 297 1.2.2.2 yamt { 298 1.2.2.2 yamt struct chfs_full_dnode *ret; 299 1.2.2.2 yamt ret = kmem_alloc(sizeof(struct chfs_full_dnode), KM_SLEEP); 300 1.2.2.3 yamt ret->nref = NULL; 301 1.2.2.3 yamt ret->frags = 0; 302 1.2.2.2 yamt return ret; 303 1.2.2.2 yamt } 304 1.2.2.2 yamt 305 1.2.2.3 yamt /* chfs_free_full_dnode - freeing a full data node */ 306 1.2.2.2 yamt void 307 1.2.2.2 yamt chfs_free_full_dnode(struct chfs_full_dnode *fd) 308 1.2.2.2 yamt { 309 1.2.2.2 yamt kmem_free(fd,(sizeof(struct chfs_full_dnode))); 310 1.2.2.2 yamt } 311 1.2.2.2 yamt 312 1.2.2.3 yamt /* chfs_alloc_flash_vnode - allocating vnode info (used on flash) */ 313 1.2.2.2 yamt struct chfs_flash_vnode* 314 1.2.2.2 yamt chfs_alloc_flash_vnode(void) 315 1.2.2.2 yamt { 316 1.2.2.2 yamt struct chfs_flash_vnode *ret; 317 1.2.2.2 yamt ret = pool_cache_get(chfs_flash_vnode_cache, 0); 318 1.2.2.2 yamt return ret; 319 1.2.2.2 yamt } 320 1.2.2.2 yamt 321 1.2.2.3 yamt /* chfs_free_flash_vnode - freeing vnode info */ 322 1.2.2.2 yamt void 323 1.2.2.2 yamt chfs_free_flash_vnode(struct chfs_flash_vnode *fvnode) 324 1.2.2.2 yamt { 325 1.2.2.2 yamt pool_cache_put(chfs_flash_vnode_cache, fvnode); 326 1.2.2.2 yamt } 327 1.2.2.2 yamt 328 1.2.2.3 yamt /* chfs_alloc_flash_dirent - allocating a directory entry (used on flash) */ 329 1.2.2.2 yamt struct chfs_flash_dirent_node* 330 1.2.2.2 yamt chfs_alloc_flash_dirent(void) 331 1.2.2.2 yamt { 332 1.2.2.2 yamt struct chfs_flash_dirent_node *ret; 333 1.2.2.2 yamt ret = pool_cache_get(chfs_flash_dirent_cache, 0); 334 1.2.2.2 yamt return ret; 335 1.2.2.2 yamt } 336 1.2.2.2 yamt 337 1.2.2.3 yamt /* chfs_free_flash_dirent - freeing a (flash) directory entry */ 338 1.2.2.2 yamt void 339 1.2.2.2 yamt chfs_free_flash_dirent(struct chfs_flash_dirent_node *fdnode) 340 1.2.2.2 yamt { 341 1.2.2.2 yamt pool_cache_put(chfs_flash_dirent_cache, fdnode); 342 1.2.2.2 yamt } 343 1.2.2.2 yamt 344 1.2.2.3 yamt /* chfs_alloc_flash_dnode - allocating a data node (used on flash) */ 345 1.2.2.2 yamt struct chfs_flash_data_node* 346 1.2.2.2 yamt chfs_alloc_flash_dnode(void) 347 1.2.2.2 yamt { 348 1.2.2.2 yamt struct chfs_flash_data_node *ret; 349 1.2.2.2 yamt ret = pool_cache_get(chfs_flash_dnode_cache, 0); 350 1.2.2.2 yamt return ret; 351 1.2.2.2 yamt } 352 1.2.2.2 yamt 353 1.2.2.3 yamt /* chfs_free_flash_dnode - freeing a (flash) data node */ 354 1.2.2.2 yamt void 355 1.2.2.2 yamt chfs_free_flash_dnode(struct chfs_flash_data_node *fdnode) 356 1.2.2.2 yamt { 357 1.2.2.2 yamt pool_cache_put(chfs_flash_dnode_cache, fdnode); 358 1.2.2.2 yamt } 359 1.2.2.2 yamt 360 1.2.2.3 yamt /* chfs_alloc_node_frag - allocating a fragment of a node */ 361 1.2.2.2 yamt struct chfs_node_frag* 362 1.2.2.2 yamt chfs_alloc_node_frag(void) 363 1.2.2.2 yamt { 364 1.2.2.2 yamt struct chfs_node_frag *ret; 365 1.2.2.2 yamt ret = pool_cache_get(chfs_node_frag_cache, 0); 366 1.2.2.2 yamt return ret; 367 1.2.2.2 yamt } 368 1.2.2.2 yamt 369 1.2.2.3 yamt /* chfs_free_node_frag - freeing a fragment of a node */ 370 1.2.2.2 yamt void 371 1.2.2.2 yamt chfs_free_node_frag(struct chfs_node_frag *frag) 372 1.2.2.2 yamt { 373 1.2.2.2 yamt pool_cache_put(chfs_node_frag_cache, frag); 374 1.2.2.2 yamt } 375 1.2.2.2 yamt 376 1.2.2.3 yamt /* chfs_alloc_tmp_dnode - allocating a temporarly used dnode */ 377 1.2.2.2 yamt struct chfs_tmp_dnode * 378 1.2.2.2 yamt chfs_alloc_tmp_dnode(void) 379 1.2.2.2 yamt { 380 1.2.2.2 yamt struct chfs_tmp_dnode *ret; 381 1.2.2.2 yamt ret = pool_cache_get(chfs_tmp_dnode_cache, 0); 382 1.2.2.2 yamt ret->next = NULL; 383 1.2.2.2 yamt return ret; 384 1.2.2.2 yamt } 385 1.2.2.2 yamt 386 1.2.2.3 yamt /* chfs_free_tmp_dnode - freeing a temporarly used dnode */ 387 1.2.2.2 yamt void 388 1.2.2.2 yamt chfs_free_tmp_dnode(struct chfs_tmp_dnode *td) 389 1.2.2.2 yamt { 390 1.2.2.2 yamt pool_cache_put(chfs_tmp_dnode_cache, td); 391 1.2.2.2 yamt } 392 1.2.2.2 yamt 393 1.2.2.3 yamt /* chfs_alloc_tmp_dnode_info - allocating a temporarly used dnode descriptor */ 394 1.2.2.2 yamt struct chfs_tmp_dnode_info * 395 1.2.2.2 yamt chfs_alloc_tmp_dnode_info(void) 396 1.2.2.2 yamt { 397 1.2.2.2 yamt struct chfs_tmp_dnode_info *ret; 398 1.2.2.2 yamt ret = pool_cache_get(chfs_tmp_dnode_info_cache, 0); 399 1.2.2.2 yamt ret->tmpnode = NULL; 400 1.2.2.2 yamt return ret; 401 1.2.2.2 yamt } 402 1.2.2.2 yamt 403 1.2.2.3 yamt /* chfs_free_tmp_dnode_info - freeing a temporarly used dnode descriptor */ 404 1.2.2.2 yamt void 405 1.2.2.2 yamt chfs_free_tmp_dnode_info(struct chfs_tmp_dnode_info *di) 406 1.2.2.2 yamt { 407 1.2.2.2 yamt pool_cache_put(chfs_tmp_dnode_info_cache, di); 408 1.2.2.2 yamt } 409 1.2.2.2 yamt 410
Indexes created Thu Oct 02 07:10:07 GMT 2025